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Finding the Fourth Proportional to 124,296.71, 171,528.59 and 67,708.09

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Solution

The fourth proportional to 124,296.71, 171,528.59 and 67,708.09 is: 93,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,296.71 : 171,528.59 = 67,708.09 : x
  2. Step 2: Convert to fraction form
    124,296.71/171,528.59 = 67,708.09/x
  3. Step 3: Cross multiply
    124,296.71x = 171,528.59 × 67,708.09
  4. Step 4: Simplify right side
    124,296.71x = 11,613,872,013.11
  5. Step 5: Solve for x
    x = 11,613,872,013.11/124,296.71
  6. Step 6: Final answer
    x = 93,436.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.